Samsung Electronics Co., Ltd.

Euiheon Jeong

Seongmin Je

Wooseok Jang

Youna Lee

Moonsung Na

Sunghyuk Lee

Jinsu Jo

Jongkeun Choi

Sungwook Won

Beomsoo Cho

An electronic device is provided. The electronic device includes a communication device for transmitting or receiving a signal, a memory, and a processor connected to the communication device and the memory. The memory may store instructions for controlling the communication device so as to cause the processor to generate a key pair including a public key and a private key, receive authentication information from an authentication server by using the communication device, generate signature data by electronically signing the authentication information on the basis of the private key, generate transaction data including the signature data, transmit the transaction data to a blockchain network, and transmit transaction identification information corresponding to the transaction data to the authentication server.

Electronic authentication device and method using blockchain

An electronic device is provided. The electronic device includes a memory, a communication circuit, a display, and a processor connected to the memory, the communication circuit, and the display, wherein the memory stores instructions which, when executed, cause the processor to acquire device information relating to a plurality of external electronic devices, on the basis of the device information, select a plurality of distribution storage devices for storing a distribution key from among the plurality of external electronic devices, generate a plurality of distribution keys obtained by dividing mnemonic information or a seed value for generating a key for electronically signing data to be transmitted to a blockchain network, and control the communication circuit such that the plurality of distribution keys are distributed and transmitted to the plurality of distribution storage devices.

Method for storing and recovering key for blockchain-based system, and device therefor

Growing community of inventors

Suwon-si, South Korea

Euiheon Jeong